With an impressive clinical career spanning approximately 45+ years in Internal Medicine, Dr RSK Sinha's dedication to medical excellence is further exemplified by his additional training in Nuclear Medicine (Moscow) and Endocrinology (AIIMS, New Delhi). He has held roles as an Undergraduate and Postgraduate teacher and supervisor, sharing his extensive knowledge and expertise with the next generation of medical professionals. Notably, Dr RSK Sinha was appointed as an alternate Personal Physician to the Prime Minister of India, a testament to his exceptional skills and reputation in the medical community. He has received fellowships from several prestigious associations and societies, recognizing his outstanding contributions to the field of medicine. His legacy is defined by his unwavering commitment to healthcare excellence and his dedication to advancing the practice of medicine.